<?php


namespace app\v2\controller;


use app\common\controller\Checking;

class Tool
{
    public function test(){
        $yuming = 'HTTP_HOST：'.$_SERVER['SERVER_NAME'];
//        $img =  '';
//        $data =  $this->base64toimg($img);
        Checking::response(200, '', $yuming);
    }
    //图片转换
    public function base64toimg($base64_image){
        if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image, $result)) {
            //匹配成功
            $name = md5(microtime(true));
            $Ymd = date('Ymd', time());
            ////文件目录
            $dir = $Ymd;
            ////拼凑目录
            $image_name = "./pay/" . $dir;
            if (!is_dir($image_name)) {
                //如果不存在就创建该目录
                mkdir($image_name, 0777, true);
            }
            if ($result[2] == 'jpeg') {
                $imginfo = '/' . $name . '.jpg';
            } else {
                $imginfo = '/' . $name . "." . $result[2];
            }
            $image_file = $image_name . $imginfo;
//                    $image_file = ADMIN_URL.$image_file;
            ////拼凑路径
            $dir = $dir . $imginfo;
            //服务器文件存储路径
            if (file_put_contents($image_file, base64_decode(str_replace($result[1], '', $base64_image)))) {
//                $src = 'http://' . FILE_URL . '/message/' . $dir;
                return '/pay/' . $dir;
            } else {
                return false;
            }
        }
    }

    //身份证
    public function idcard($id){
        $id = strtoupper($id);
        $regx = "/(^\d{15}$)|(^\d{17}([0-9]|X)$)/";
        $arr_split = array();
        if(!preg_match($regx, $id))
        {
            return FALSE;
        }
        if(15==strlen($id)) //检查15位
        {
            $regx = "/^(\d{6})+(\d{2})+(\d{2})+(\d{2})+(\d{3})$/";

            @preg_match($regx, $id, $arr_split);
            //检查生日日期是否正确
            $dtm_birth = "19".$arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4];
            if(!strtotime($dtm_birth))
            {
                return FALSE;
            } else {
                return TRUE;
            }
        }
        else      //检查18位
        {
            $regx = "/^(\d{6})+(\d{4})+(\d{2})+(\d{2})+(\d{3})([0-9]|X)$/";
            @preg_match($regx, $id, $arr_split);
            $dtm_birth = $arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4];
            if(!strtotime($dtm_birth)) //检查生日日期是否正确
            {
                return FALSE;
            }
            else
            {
                //检验18位身份证的校验码是否正确。
                //校验位按照ISO 7064:1983.MOD 11-2的规定生成，X可以认为是数字10。
                $arr_int = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
                $arr_ch = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
                $sign = 0;
                for ( $i = 0; $i < 17; $i++ )
                {
                    $b = (int) $id{$i};
                    $w = $arr_int[$i];
                    $sign += $b * $w;
                }
                $n = $sign % 11;
                $val_num = $arr_ch[$n];
                if ($val_num != substr($id,17, 1))
                {
                    return FALSE;
                } //phpfensi.com
                else
                {
                    return TRUE;
                }
            }
        }
    }

    //银行卡
    public function bankcard($card_number){
        $arr_no = str_split($card_number);
        $last_n = $arr_no[count($arr_no)-1];
        krsort($arr_no);
        $i = 1;
        $total = 0;
        foreach ($arr_no as $n){
            if($i%2==0){
                $ix = $n*2;
                if($ix>=10){
                    $nx = 1 + ($ix % 10);
                    $total += $nx;
                }else{
                    $total += $ix;
                }
            }else{
                $total += $n;
            }
            $i++;
        }
        $total -= $last_n;
        $x = 10 - ($total % 10);
        if($x == $last_n){
            return true;
        }else{
            return false;
        }
    }
}